Spray cleaning unit



FIG. 1 is a perspective view taken from the top and front of a spray cleaning unit showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof; and

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a spray cleaning unit, substantially as shown. 